Basic HTML Version
486
CPU BOARD
DRIVER BOARD
Pin Wire Color
Function
Pin Wire Color
Function
IJI - INTERBOARD CONNECTOR
2PI - INTERBOARD CONNECTOR
IP2 - LOGIC POWER BUS INPUT
2P2 - SWITCH COLUMN DRIVE
I
Black
Logic Ground
I
Green-Gray
Not Used
2
Black
Logic Ground
2
Green-Violet
Not Used
3
Black
Logic Ground
3
Green-Blue
Switch Column
#
6
4
Gray
Logic B
+ (+
5 VDC)
4
Key
Key
5
Gray
Locig B + (+ 5 VDC)
5
Green-Black
Switch Column
#
5
6
Gray
Logic B+ (+ 5 VDC)
6
Green-Yellow
Switch Column
#
4
7
Key
Key
7
Green-Orange
Switch Column
#
3
8
N/C
Not Used
8
Green-Red
Switch Column
#
2
9
Gray-White
Logic B+ (+ 12 V)
9
Green-Brown
Switch Column
#
1
(Unregulated)
IP3 - DISPLAY BLANKING
2P3 - SWITCH ROW INPUTS
1
White-Gray
Switch Row
#
8
I
N/C
Not Used
2
Key
Key
2
N/C
Not Used
3
White- Violet
Switch Row
#
7
3
Key
Key
4
White-Blue
Switch Row
#
6
4
Blue-White
Display Blanking
5
White-Green
Switch Row
#
5
6
White- Yellow Switch Row
#
4
IP4 - DIAGNOSTIC SWITCH INPUTS
7
White-Orange
Switch Row
#
3
I
Key
Key
8
White-Red
Switch Row
#
2
2
White
Diagnostic Common
9
White-Brown
Switch Row
#
1
3
Green
Diagnostic Advance
4
Blue
Diagnostic Auto/Man.
2P4 - LAMP POWER BUS
IPS - MASTER DISPLAY BCD OUTPUTS
1
Blue
Lamp B+
2
Blue
Lamp B+
1 Blue- Yellow
Display BCD D 1
3
Key
Key
2
Blue-Orange
Display BCD C 1
4
Blue
Lamp B+
3
Blue-Red
Display BCD Bl
5
Blue
Lamp B+
4
Blue-Brown
Display BCD Al
6
N/C
Not Used
5
Blue-Gray
Display BCD 02
7
Blue
Lamp B+
6
Key
Key
8
Blue
Lamp B+
7
Blue- Violet
Display BCD C2
9
Blue
Lamp B+
8
Blue-Black
Display BCD B2
9
Blue-Green
Display BCD A2
2P5 - LAMP COLUMN DRIVE
IP6 - MASTER DISPLAY STROBE OUTPUTS
1
Yellow- Violet
Lamp Column
#
7
1 Violet-Gray
Display Strobe # 16
2
Yellow-Gray
Lamp Column
#
8
2
Violet-Black
Display Strobe # 15
3
Yellow-Green
Lamp Column
#
5
3
Violet-Blue
Display Strobe # 14
4
Key
Key
4
Violet-Green
Display Strobe # 13
5
Yellow-Blue
Lamp Column
#
6
5
Violet-Yellow
Display Strobe # 12
6
Yellow-Orange
Lamp Column
#
3
6
Violet -Orange
Display Strobe #11
7
Yellow-Black
Lamp Column
#
4
7
Key
Key
8
Yellow-Brown
Not Used
8
Violet-Red
Display Strobe # 1
0
9
Yellow-Red
Lamp Column # 2
9
Violet -Brown
Display Strobe # 9
IP7 - MASTER DISPLAY STROBE OUTPUTS
2P6 - LAMP GROUNDS
I
Brown-Gray
Display Strobe # 8
1
Black
Lamp Ground
2
Brown- Violet
Display Strobe # 7
2
Key
Key
3
Brown-Blue
Display Strobe # 6
3
Black
Lamp Ground
4
Brown-Green
Display Strobe # 5
4
Black
Lamp Ground
5
Brown -Yellow Display Strobe
it
4
5
N/C
Not Used
6
Brown-Orange
Display Strobe # 3
6
Black
Lamp Ground
7
Brown-Red
Display Strobe # 2
7
Black
Lamp Ground
8
Key
Key
8
Black
Lamp Ground
9
Brown-Black
Display Strobe # I
9
Black
Lamp Ground
31